package com.atguigu.common.valid;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import java.util.HashSet;
import java.util.Set;

public class ListValueConstraintValidator implements ConstraintValidator<ListValue,Integer> {
        private Set<Integer> set=new HashSet<>();

    /**
     * 初始化方法
     * @param constraintAnnotation
     */
    @Override
        public void initialize(ListValue constraintAnnotation) {
            int[] value = constraintAnnotation.value();
            for (int i : value) {
                set.add(i);
            }

        }

    /**
     * 校验成功方法
     * @param value
     * @param constraintValidatorContext
     * @return
     */
    @Override
    public boolean isValid(Integer value, ConstraintValidatorContext constraintValidatorContext) {
        return set.contains(value);
    }
}
